The denial comes less than a month after the court stayed an order requiring North Carolina lawmakers to redraw congressional maps after a lower court found they used unconstitutional partisan gerrymandering to achieve a specific outcome.

Neither of the orders in the Pennsylvania or the North Carolina cases explains why justices ruled the way they did.

The Supreme Court is also still reviewing a request from North Carolina lawmakers to block a special master’s plan for several state House and Senate districts from being used in the elections later this year. That case, North Carolina v. Covington, stems from racial gerrymandering.

Trying to keep up with all the redistricting cases in North Carolina? Read more here about the state of litigation.